we don't need ruby-backports anymore (or maybe we can use it more conditionally on Ruby 2.6), it uses a lot of memory

Gemfile.lock

@@ -8,7 +8,6 @@ PATH
       aws-sdk-ec2
       aws-sdk-iam
       aws-sdk-s3
-      backports
       bcrypt (= 3.1.12)
       bcrypt_pbkdf
       bit-struct
@@ -136,7 +135,6 @@ GEM
       aws-sigv4 (~> 1.1)
     aws-sigv4 (1.1.0)
       aws-eventstream (~> 1.0, >= 1.0.2)
-    backports (3.15.0)
     bcrypt (3.1.12)
     bcrypt_pbkdf (1.0.1)
     bindata (2.4.4)

lib/msf/core.rb

@@ -10,9 +10,6 @@
 #
 ###
 
-# Include backported features for older versions of Ruby
-require 'backports'
-
 # The framework-core depends on Rex
 require 'rex'
 require 'rex/ui'

metasploit-framework.gemspec

@@ -52,8 +52,6 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'activesupport', *Metasploit::Framework::RailsVersionConstraint::RAILS_VERSION
   # Needed for config.action_view for view plugin compatibility for Pro
   spec.add_runtime_dependency 'actionpack', *Metasploit::Framework::RailsVersionConstraint::RAILS_VERSION
-  # Backports Ruby features across language versions
-  spec.add_runtime_dependency 'backports'
   # Needed for some admin modules (cfme_manageiq_evm_pass_reset.rb)
   spec.add_runtime_dependency 'bcrypt', '3.1.12'
   # Needed for Javascript obfuscation

msfupdate

@@ -13,8 +13,6 @@ while File.symlink?(msfbase)
   msfbase = File.expand_path(File.readlink(msfbase), File.dirname(msfbase))
 end
 
-require 'backports'
-
 class Msfupdate
   attr_reader :stdin
   attr_reader :stdout